Overview of the material composition of N80 in N80 Oil casing

The N80 oil casing is a crucial component in the Oil and gas industry. It is used to protect the wellbore and ensure the efficient extraction of oil and gas. One of the key aspects of the N80 oil casing is its material composition, specifically the material of N80 itself. N80 is a type of steel that is commonly used in the manufacturing of oil casings. It is classified as a medium carbon steel and is known for its High strength and excellent resistance to corrosion. The material composition of N80 consists of primarily iron, carbon, manganese, and chromium.
Calculated Mass c | |||||||||||
Nominal Linear Mass T& C b,c | Wall Thick- ness | em, Mass Gain or Loss Due to End Finishing d | |||||||||
Labels a | Outside Diameter | Inside Diameter | Drift Diameter | Plain- end | kg | ||||||
round Thread | Buttress Thread | ||||||||||
wpe | |||||||||||
D | kg/m | t | D | mm | kg/m | Short | Long | RC | SCC | ||
mm | mm | mm | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
10 3/4 | 32.75 | 273.05 | 48.74 | 7.09 | 258.9 | 254.91 | 46.5 | 13.94 | — | — 15.38 | — 3.03 |
10 3/4 | 40.5 | 273.05 | 60.27 | 8.89 | 255.3 | 251.31 | 57.91 | 11.91 | — | 14.21 | 1.86 |
10 3/4 | 45.5 | 273.05 | 67.71 | 10.16 | 252.7 | 250.82 e 248.77 246.23 246.33 | 65.87 | 11 | — | 14.21 | 1.86 |
10 3/4 | 45.5 | 273.05 | 67.71 | 10.16 | 252.7 | 244.48 e | 65.87 | 11 | — | 13.05 | 0.7 |
10 3/4 | 51 | 273.05 | 75.9 | 11.43 | 250.2 | 244.48 e 243.94 243.94 241.40 241.40 238.86 238.86 234.95 231.80 228.60 | 73.75 | 10.11 | — | 13.05 | 0.7 |
10 3/4 | 51 | 273.05 | 75.9 | 11.43 | 250.2 | 73.75 | 10.16 f | — | 12.25 | –0.09 | |
10 3/4 | 55.5 | 273.05 | 82.59 | 12.57 | 247.9 | 80.75 | 9.3 | — | 12.01 | –0.34 | |
10 3/4 | 55.5 | 273.05 | 82.59 | 12.57 | 247.9 | 80.75 | 9.35 f | — | 12.25 | –0.09 | |
10 3/4 | 55.5 | 273.05 | 82.59 | 12.57 | 247.9 | 80.75 | 9.3 | — | 12.01 | –0.34 | |
10 3/4 | 55.5 | 273.05 | 82.59 | 12.57 | 247.9 | 80.75 | 9.35 f | — | 11.07 | — | |
10 3/4 | 60.7 | 273.05 | 90.33 | 13.84 | 245.4 | 88.47 | 8.42 | — | 10.87 | — | |
10 3/4 | 60.7 | 273.05 | 90.33 | 13.84 | 245.4 | 88.47 | 8.47 f | — | 9.98 | — | |
10 3/4 | 65.7 | 273.05 | 97.77 | 15.11 | 242.8 | 96.12 | 7.54 | — | 9.74 | — | |
10 3/4 | 65.7 | 273.05 | 97.77 | 15.11 | 242.8 | 96.12 | 7.60 f | — | — | — | |
10 3/4 | 73.2 | 273.05 | 108.93 | 17.07 | 238.9 | 107.76 | — | — | — | — | |
10 3/4 | 79.2 | 273.05 | 117.86 | 18.64 | 235.8 | 116.95 | — | — | — | — | |
10 3/4 | 85.3 | 273.05 | 126.94 | 20.24 | 232.6 | 126.19 | — | — | |||
11 3/4 | 42 | 298.45 | 62.5 | 8.46 | 281.5 | 279.40 e 277.50 275.44 272.39 | 62.56 | 13.27 | — | — | — |
11 3/4 | 42 | 298.45 | 62.5 | 8.46 | 281.5 | 269.88 e | 62.56 | 13.27 | — | — 16.04 | — |
11 3/4 | 47 | 298.45 | 69.94 | 9.52 | 279.41 | 269.88 e | 67.83 | 12.42 | — | 14.5 | — |
11 3/4 | 54 | 298.45 | 80.36 | 11.05 | 276.4 | 269.65 | 78.32 | 11.23 | — | 13.12 | — |
11 3/4 | 60 | 298.45 | 89.29 | 12.42 | 273.6 | 269.65 e | 87.61 | 10.17 | — | 13.12 | — |
11 3/4 | 60 | 298.45 | 89.29 | 12.42 | 273.6 | 269.88 e 267.36 264.92 | 87.61 | 9.77 f | — | 13.12 | — |
11 3/4 | 60 | 298.45 | 89.29 | 12.42 | 273.6 | 87.61 | 10.17 | — | 13.12 | — | |
11 3/4 | 60 | 298.45 | 89.29 | 12.42 | 273.6 | 87.61 | 9.77 f | — | — | — | |
11 3/4 | 65 | 298.45 | 96.73 | 13.56 | 271.3 | 95.27 | — | — | — | — | |
11 3/4 | 65 | 298.45 | 96.73 | 13.56 | 271.3 | 95.27 | — | — | — | — | |
11 3/4 | 71 | 298.45 | 105.66 | 14.78 | 268.9 | 103.4 | — | — | — |
